Mercurial > octave
annotate libgui/src/workspace-view.cc @ 31619:ad014fc78bd6
use individual local gui_settings objects
Previously, we created a single gui_settings object (derived from
QSettings) and accessed it from the resource_manager object. That
design is not necessary and is not the way QSettings was designed to
be used. Instead of managing a single object, we should be using
individual QSettings objects where needed. Each individual QSettings
object manages thread-safe access to a single global collection of
settings. The Qt docs say that operations on QSettings are not thread
safe, but that means that you can't create a QSettings object in one
thread and use it in another without some locking. I'm not sure
whether we were doing that correctly, but with this change it no
longer matters. Each QSettings object does perform locking when
reading or writing the underlying global data.
* resource-manager.h, resource-manager.cc
(resource_manager::m_settings): Delete data member.
(resource_manager::get_settings): Delete.
* annotation-dialog.cc, QTerminal.cc, QTerminal.h, command-widget.cc,
command-widget.h, community-news.cc, dialog.cc,
documentation-bookmarks.cc, documentation-bookmarks.h,
documentation-dock-widget.cc, documentation-dock-widget.h,
documentation.cc, documentation.h, dw-main-window.cc,
dw-main-window.h, external-editor-interface.cc, files-dock-widget.cc,
files-dock-widget.h, find-files-dialog.cc, history-dock-widget.cc,
history-dock-widget.h, file-editor-interface.h, file-editor-tab.cc,
file-editor-tab.h, file-editor.cc, file-editor.h, find-dialog.cc,
octave-qscintilla.cc, main-window.cc, main-window.h, news-reader.cc,
octave-dock-widget.cc, octave-dock-widget.h, qt-interpreter-events.cc,
qt-interpreter-events.h, release-notes.cc, resource-manager.cc,
resource-manager.h, set-path-dialog.cc, settings-dialog.cc,
settings-dialog.h, shortcut-manager.cc, shortcut-manager.h,
terminal-dock-widget.cc, terminal-dock-widget.h, variable-editor.cc,
variable-editor.h, welcome-wizard.cc, workspace-model.cc,
workspace-model.h, workspace-view.cc: Use local gui_settings objects
instead of accessing a pointer to a single gui_settings object owned
by the resource_manager object.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 02 Dec 2022 14:23:53 -0500 |
parents | 04601f6c47f4 |
children | 431f80aba37a |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2011-2022 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
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28 #endif |
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29 |
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30 #include <QApplication> |
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31 #include <QClipboard> |
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32 #include <QCompleter> |
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33 #include <QHBoxLayout> |
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34 #include <QHeaderView> |
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35 #include <QInputDialog> |
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36 #include <QLabel> |
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37 #include <QLineEdit> |
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38 #include <QMenu> |
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39 #include <QMessageBox> |
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40 #include <QPushButton> |
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41 #include <QSignalMapper> |
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43 | |
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44 #include "gui-preferences-ws.h" |
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45 #include "gui-settings.h" |
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46 #include "octave-qobject.h" |
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47 #include "octave-qtutils.h" |
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48 #include "workspace-view.h" |
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49 |
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50 namespace octave |
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51 { |
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52 workspace_view::workspace_view (QWidget *p, base_qobject& oct_qobj) |
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53 : octave_dock_widget ("WorkspaceView", p, oct_qobj), |
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54 m_view (new QTableView (this)), |
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55 m_filter_checkbox (new QCheckBox ()), |
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56 m_filter (new QComboBox (this)), |
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57 m_filter_widget (new QWidget (this)) |
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58 { |
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59 set_title (tr ("Workspace")); |
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60 setStatusTip (tr ("View the variables in the active workspace.")); |
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61 |
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62 m_filter->setToolTip (tr ("Enter text to filter the workspace")); |
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63 m_filter->setEditable (true); |
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64 m_filter->setMaxCount (ws_max_filter_history.def.toInt ()); |
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65 m_filter->setInsertPolicy (QComboBox::NoInsert); |
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66 m_filter->setSizeAdjustPolicy (QComboBox::AdjustToMinimumContentsLengthWithIcon); |
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67 QSizePolicy sizePol (QSizePolicy::Expanding, QSizePolicy::Preferred); |
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68 m_filter->setSizePolicy (sizePol); |
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69 m_filter->completer ()->setCaseSensitivity (Qt::CaseSensitive); |
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70 |
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71 QLabel *filter_label = new QLabel (tr ("Filter")); |
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72 |
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73 m_view->setWordWrap (false); |
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74 m_view->setContextMenuPolicy (Qt::CustomContextMenu); |
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75 m_view->setShowGrid (false); |
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76 (m_view->verticalHeader) ()->hide (); |
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77 m_view->setAlternatingRowColors (true); |
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78 m_view_previous_row_count = 0; |
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79 |
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80 // Set an empty widget, so we can assign a layout to it. |
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81 setWidget (new QWidget (this)); |
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82 |
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83 // Create the layouts |
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84 QHBoxLayout *filter_layout = new QHBoxLayout (); |
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85 |
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86 filter_layout->addWidget (filter_label); |
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87 filter_layout->addWidget (m_filter_checkbox); |
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88 filter_layout->addWidget (m_filter); |
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89 filter_layout->setMargin (0); |
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90 |
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91 m_filter_widget->setLayout (filter_layout); |
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92 |
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93 QVBoxLayout *ws_layout = new QVBoxLayout (); |
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94 ws_layout->addWidget (m_filter_widget); |
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95 ws_layout->addWidget (m_view); |
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96 ws_layout->setSpacing (0); |
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97 |
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98 gui_settings settings; |
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99 |
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100 m_filter_shown = settings.value (ws_filter_shown).toBool (); |
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101 m_filter_widget->setVisible (m_filter_shown); |
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102 |
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103 ws_layout->setMargin (2); |
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105 // Set the empty widget to have our layout. |
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106 widget ()->setLayout (ws_layout); |
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107 |
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108 // Initialize collapse/expand state of the workspace subcategories. |
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109 |
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110 //enable sorting (setting column and order after model was set) |
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111 m_view->setSortingEnabled (true); |
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112 // Initialize column order and width of the workspace |
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113 m_view->horizontalHeader ()->restoreState |
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114 (settings.value (ws_column_state.key).toByteArray ()); |
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115 |
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116 // Set header properties for sorting |
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117 m_view->horizontalHeader ()->setSectionsClickable (true); |
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118 m_view->horizontalHeader ()->setSectionsMovable (true); |
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119 m_view->horizontalHeader ()->setSortIndicator ( |
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120 settings.value (ws_sort_column).toInt (), |
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121 static_cast<Qt::SortOrder> (settings.value (ws_sort_order).toUInt ())); |
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122 // FIXME: use value<Qt::SortOrder> instead of static cast after |
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123 // dropping support of Qt 5.4 |
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124 |
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125 m_view->horizontalHeader ()->setSortIndicatorShown (true); |
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126 |
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127 m_view->horizontalHeader ()->setContextMenuPolicy (Qt::CustomContextMenu); |
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128 connect (m_view->horizontalHeader (), |
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129 &QTableView::customContextMenuRequested, |
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130 this, &workspace_view::header_contextmenu_requested); |
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131 |
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132 // Init state of the filter |
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133 m_filter->addItems (settings.value (ws_mru_list.key).toStringList ()); |
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134 |
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135 bool filter_state = settings.value (ws_filter_active).toBool (); |
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136 m_filter_checkbox->setChecked (filter_state); |
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137 filter_activate (filter_state); |
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138 |
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139 // Connect signals and slots. |
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140 |
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141 connect (m_filter, &QComboBox::editTextChanged, |
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142 this, &workspace_view::filter_update); |
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143 connect (m_filter_checkbox, &QCheckBox::toggled, |
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144 this, &workspace_view::filter_activate); |
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145 connect (m_filter->lineEdit (), &QLineEdit::editingFinished, |
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146 this, &workspace_view::update_filter_history); |
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147 |
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148 connect (m_view, &QTableView::customContextMenuRequested, |
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149 this, &workspace_view::contextmenu_requested); |
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150 |
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151 connect (m_view, &QTableView::activated, |
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152 this, &workspace_view::handle_contextmenu_edit); |
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153 |
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154 if (! p) |
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155 make_window (); |
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156 } |
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157 |
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158 void workspace_view::setModel (workspace_model *model) |
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159 { |
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160 m_filter_model.setSourceModel (model); |
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161 m_filter_model.setFilterKeyColumn(0); |
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162 |
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163 m_view->setModel (&m_filter_model); |
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164 |
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165 // set the sorting after the model is set, it would be ignored otherwise |
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166 |
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167 gui_settings settings; |
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168 |
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169 m_view->sortByColumn ( |
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170 settings.value (ws_sort_column).toInt (), |
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171 static_cast<Qt::SortOrder> (settings.value (ws_sort_order).toUInt ())); |
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172 // FIXME: use value<Qt::SortOrder> instead of static cast after |
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173 // dropping support of Qt 5.4 |
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174 |
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175 m_model = model; |
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176 } |
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177 |
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178 void |
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179 workspace_view::notice_settings (void) |
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180 { |
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181 gui_settings settings; |
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182 |
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183 m_model->notice_settings (); // update colors of model first |
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184 |
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185 for (int i = 0; i < ws_columns_shown.length (); i++) |
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186 m_view->setColumnHidden (i + 1, ! settings.value (ws_columns_shown_keys.at (i), true).toBool ()); |
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187 |
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188 QString tool_tip; |
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189 |
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190 if (settings.value (ws_enable_colors).toBool () |
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191 && ! settings.value (ws_hide_tool_tips).toBool ()) |
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192 { |
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193 tool_tip = QString (tr ("View the variables in the active workspace.<br>")); |
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194 tool_tip += QString (tr ("Colors for variable attributes:")); |
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195 |
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196 for (int i = 0; i < ws_colors_count; i++) |
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197 { |
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198 tool_tip += |
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199 QString (R"(<div style="background-color:%1;color:%2">%3</div>)") |
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200 .arg (m_model->storage_class_color (i).name ()) |
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201 .arg (m_model->storage_class_color (i + ws_colors_count).name ()) |
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202 .arg (QCoreApplication::translate ("octave::settings_dialog", |
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203 ws_color_names.at (i).toStdString ().data ())); |
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204 } |
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205 } |
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206 |
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207 setToolTip (tool_tip); |
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208 } |
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209 |
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210 void |
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211 workspace_view::save_settings (void) |
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212 { |
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213 gui_settings settings; |
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214 |
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215 settings.setValue (ws_column_state.key, |
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216 m_view->horizontalHeader ()->saveState ()); |
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217 |
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218 int sort_column = m_view->horizontalHeader ()->sortIndicatorSection (); |
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219 Qt::SortOrder sort_order = m_view->horizontalHeader ()->sortIndicatorOrder (); |
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220 settings.setValue (ws_sort_column.key, sort_column); |
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221 settings.setValue (ws_sort_order.key, sort_order); |
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222 |
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223 settings.setValue (ws_filter_active.key, m_filter_checkbox->isChecked ()); |
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224 settings.setValue (ws_filter_shown.key, m_filter_shown); |
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225 |
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226 QStringList mru; |
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227 for (int i = 0; i < m_filter->count (); i++) |
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228 mru.append (m_filter->itemText (i)); |
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229 settings.setValue (ws_mru_list.key, mru); |
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230 |
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231 settings.sync (); |
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232 |
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233 octave_dock_widget::save_settings (); |
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234 } |
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235 |
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236 void workspace_view::set_filter_focus (bool focus) |
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237 { |
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238 if (focus) |
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239 { |
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240 m_filter->setFocus (); |
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241 setFocusProxy (m_filter); |
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242 } |
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243 else |
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244 { |
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245 m_view->setFocus (); |
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246 setFocusProxy (m_view); |
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247 } |
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248 } |
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249 |
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250 void |
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251 workspace_view::filter_update (const QString& expression) |
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252 { |
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253 m_filter_model.setFilterWildcard (expression); |
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254 handle_model_changed (); |
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255 } |
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256 |
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257 void |
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258 workspace_view::filter_activate (bool state) |
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259 { |
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260 m_filter->setEnabled (state); |
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261 m_filter_model.setDynamicSortFilter (state); |
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262 |
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263 if (state) |
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264 filter_update (m_filter->currentText ()); |
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265 else |
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266 filter_update (QString ()); |
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267 |
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268 set_filter_focus (state); |
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269 } |
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270 |
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271 void |
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272 workspace_view::update_filter_history (void) |
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273 { |
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274 QString text = m_filter->currentText (); // get current text |
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275 int index = m_filter->findText (text); // and its actual index |
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276 |
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277 if (index > -1) |
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278 m_filter->removeItem (index); // remove if already existing |
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279 |
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280 m_filter->insertItem (0, text); // (re)insert at beginning |
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281 m_filter->setCurrentIndex (0); |
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282 } |
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283 |
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284 void |
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285 workspace_view::header_contextmenu_requested (const QPoint& mpos) |
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286 { |
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287 QMenu menu (this); |
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288 QSignalMapper sig_mapper (this); |
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289 |
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290 gui_settings settings; |
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291 |
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292 for (int i = 0; i < ws_columns_shown.length (); i++) |
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293 { |
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294 QAction *action |
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295 = menu.addAction (tr (ws_columns_shown.at (i).toStdString ().data ()), |
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296 &sig_mapper, SLOT (map ())); |
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297 sig_mapper.setMapping (action, i); |
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298 action->setCheckable (true); |
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299 action->setChecked (settings.value (ws_columns_shown_keys.at (i), true).toBool ()); |
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300 } |
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301 |
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302 // FIXME: We could use |
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303 // |
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304 // connect (&m_sig_mapper, QOverload<int>::of (&QSignalMapper::mapped), |
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305 // this, &workspace_view::toggle_header); |
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306 // |
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307 // but referring to QSignalMapper::mapped will generate deprecated |
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308 // function warnings from GCC. We could also use |
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309 // |
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310 // connect (&m_sig_mapper, &QSignalMapper::mappedInt, |
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311 // this, &workspace_view::toggle_header); |
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312 // |
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313 // but the function mappedInt was not introduced until Qt 5.15 so |
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314 // we'll need a feature test. |
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315 |
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316 connect (&sig_mapper, SIGNAL (mapped (int)), |
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317 this, SLOT (toggle_header (int))); |
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318 |
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319 menu.exec (m_view->mapToGlobal (mpos)); |
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320 } |
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321 |
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322 void |
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323 workspace_view::toggle_header (int col) |
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324 { |
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325 gui_settings settings; |
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326 |
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327 QString key = ws_columns_shown_keys.at (col); |
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328 bool shown = settings.value (key, true).toBool (); |
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329 |
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330 m_view->setColumnHidden (col + 1, shown); |
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331 |
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332 settings.setValue (key, ! shown); |
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333 settings.sync (); |
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334 |
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335 octave_dock_widget::save_settings (); |
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336 } |
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337 |
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338 void |
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339 workspace_view::contextmenu_requested (const QPoint& qpos) |
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340 { |
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341 QMenu menu (this); |
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342 |
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343 QModelIndex index = m_view->indexAt (qpos); |
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344 |
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Fix typos and grammar errors in comments in libgui (patch #9790)
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345 // if it isn't Local, Global etc, allow the ctx menu |
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346 if (index.isValid () && index.column () == 0) |
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347 { |
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348 QString var_name = get_var_name (index); |
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349 |
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350 menu.addAction (tr ("Open in Variable Editor"), this, |
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351 &workspace_view::handle_contextmenu_edit); |
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352 |
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353 menu.addAction (tr ("Copy name"), this, |
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354 &workspace_view::handle_contextmenu_copy); |
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355 |
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356 menu.addAction (tr ("Copy value"), this, |
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357 &workspace_view::handle_contextmenu_copy_value); |
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358 |
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359 QAction *rename |
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360 = menu.addAction (tr ("Rename"), this, |
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361 &workspace_view::handle_contextmenu_rename); |
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362 |
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363 // Use m_model here instead of using "m_view->model ()" because |
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364 // that points to the proxy model. |
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365 if (! m_model->is_top_level ()) |
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366 { |
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367 rename->setDisabled (true); |
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368 rename->setToolTip (tr ("Only top-level symbols may be renamed")); |
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369 } |
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370 |
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371 menu.addAction ("Clear " + var_name, this, |
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372 &workspace_view::handle_contextmenu_clear); |
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373 |
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374 menu.addSeparator (); |
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375 |
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376 menu.addAction ("disp (" + var_name + ')', this, |
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377 &workspace_view::handle_contextmenu_disp); |
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378 |
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379 menu.addAction ("plot (" + var_name + ')', this, |
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380 &workspace_view::handle_contextmenu_plot); |
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381 |
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382 menu.addAction ("stem (" + var_name + ')', this, |
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383 &workspace_view::handle_contextmenu_stem); |
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384 |
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385 menu.addSeparator (); |
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386 |
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387 } |
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388 |
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389 if (m_filter_shown) |
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390 menu.addAction (tr ("Hide filter"), this, |
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391 &workspace_view::handle_contextmenu_filter); |
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392 else |
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393 menu.addAction (tr ("Show filter"), this, |
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394 &workspace_view::handle_contextmenu_filter); |
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395 |
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396 menu.exec (m_view->mapToGlobal (qpos)); |
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397 } |
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398 |
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399 void |
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400 workspace_view::handle_contextmenu_copy (void) |
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401 { |
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402 QModelIndex index = m_view->currentIndex (); |
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403 |
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404 if (index.isValid ()) |
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405 { |
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406 QString var_name = get_var_name (index); |
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407 |
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408 QClipboard *clipboard = QApplication::clipboard (); |
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409 |
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410 clipboard->setText (var_name); |
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411 } |
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412 } |
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413 |
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414 void |
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415 workspace_view::handle_contextmenu_copy_value (void) |
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416 { |
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417 QModelIndex index = m_view->currentIndex (); |
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418 |
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419 if (index.isValid ()) |
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420 emit copy_variable_value_to_clipboard (get_var_name (index)); |
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421 } |
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422 |
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423 void |
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424 workspace_view::handle_contextmenu_rename (void) |
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425 { |
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426 QModelIndex index = m_view->currentIndex (); |
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427 |
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428 if (index.isValid ()) |
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429 { |
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430 QString var_name = get_var_name (index); |
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431 |
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432 QInputDialog *inputDialog = new QInputDialog (); |
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433 |
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434 inputDialog->setOptions (QInputDialog::NoButtons); |
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435 |
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436 bool ok = false; |
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437 |
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438 QString new_name |
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439 = inputDialog->getText (nullptr, "Rename Variable", "New name:", |
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440 QLineEdit::Normal, var_name, &ok); |
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441 |
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442 if (ok && ! new_name.isEmpty ()) |
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443 emit rename_variable_signal (var_name, new_name); |
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444 } |
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445 } |
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446 |
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447 void |
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448 workspace_view::handle_contextmenu_edit (void) |
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449 { |
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450 QModelIndex index = m_view->currentIndex (); |
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451 |
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452 if (index.isValid ()) |
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453 emit edit_variable_signal (get_var_name (index)); |
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454 } |
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455 |
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456 void |
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457 workspace_view::handle_contextmenu_clear (void) |
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458 { |
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459 relay_contextmenu_command ("clear", true); |
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460 } |
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461 |
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462 void |
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463 workspace_view::handle_contextmenu_disp (void) |
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464 { |
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465 relay_contextmenu_command ("disp"); |
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466 } |
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467 |
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468 void |
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469 workspace_view::handle_contextmenu_plot (void) |
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470 { |
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471 relay_contextmenu_command ("figure (); plot"); |
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472 } |
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473 |
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474 void |
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475 workspace_view::handle_contextmenu_stem (void) |
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476 { |
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477 relay_contextmenu_command ("figure (); stem"); |
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478 } |
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479 |
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480 void |
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481 workspace_view::handle_contextmenu_filter (void) |
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482 { |
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483 m_filter_shown = ! m_filter_shown; |
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484 m_filter_widget->setVisible (m_filter_shown); |
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485 |
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486 set_filter_focus (m_filter_shown && m_filter_checkbox->isChecked ()); |
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487 } |
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488 |
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489 void |
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490 workspace_view::handle_model_changed (void) |
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491 { |
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492 // m_view->resizeRowsToContents (); |
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493 // Just modify those rows that have been added rather than go through |
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494 // the whole list. For-loop test will handle when number of rows reduced. |
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495 QFontMetrics fm = m_view->fontMetrics (); |
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496 int row_height = fm.height (); |
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497 int new_row_count = m_filter_model.rowCount (); |
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498 for (int i = m_view_previous_row_count; i < new_row_count; i++) |
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499 m_view->setRowHeight (i, row_height); |
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500 m_view_previous_row_count = new_row_count; |
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501 } |
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502 |
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503 void |
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504 workspace_view::copyClipboard () |
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505 { |
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506 if (m_view->hasFocus ()) |
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507 handle_contextmenu_copy (); |
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508 } |
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509 |
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510 void |
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511 workspace_view::selectAll () |
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512 { |
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513 if (m_view->hasFocus ()) |
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514 m_view->selectAll (); |
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515 } |
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516 |
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517 void |
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518 workspace_view::relay_contextmenu_command (const QString& cmdname, bool str) |
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519 { |
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520 QModelIndex index = m_view->currentIndex (); |
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521 |
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522 if (index.isValid ()) |
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523 { |
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524 QString var_name; |
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525 |
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526 if (str) |
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527 var_name = "\'" + get_var_name (index) + "\'"; |
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528 else |
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529 var_name = get_var_name (index); |
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530 |
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531 emit command_requested (cmdname + " (" + var_name + ");"); |
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532 } |
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533 } |
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534 |
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535 QString |
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536 workspace_view::get_var_name (const QModelIndex& index) |
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537 { |
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538 // We are using a sort model proxy so m_model won't provide the |
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539 // correct ordering. |
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540 |
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541 QAbstractItemModel *m = m_view->model (); |
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542 |
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543 QMap<int, QVariant> item_data |
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544 = m->itemData (index.sibling (index.row (), 0)); |
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545 |
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546 return item_data[0].toString (); |
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547 } |
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548 } |